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Tag: 642-902

Based on the partial output in the exhibit, which description is correct?

Study the exhibit carefully. Router PG-R1 is connected to networks 172.16.1.0 /26 and 172.16.1.64 /27. Based on the partial output in the exhibit, which description is correct?

What command needs to be added to establish the BGP session?

The Border Gateway Protocol (BGP) is the core routing protocol of the Internet. Refer to the exhibit. Routers PGA and PGB are running BGP but the session is active. What command needs to be added to establish the BGP session?

Use BGP attributes to solve the requested action…

exhibit LAB 5
Company Acan has two links which can take it to the Internet. The company policy demands that you use web traffic to be forwarded only to Frame Relay link and other traffic can go through any links that are available. Use BGP attributes to solve the requested action.

Answer and Explanation:

All the HTTP traffic from the Server should go through Frame Relay link and all the other traffic should go through EoMPLS link.
The only router you are able to administrate is the Border Router, from the server you may only send HTTP traffic. As the other people mentioned, actually it is not a BGP lab. You are not able to execute the command "router bgp 65001"
For the solution I did the following:
1) Access list that catches the HTTP traffic:

access-list 101 permit tcp any any eq www

Note that the server was not directly connected to the Border Router. There were a lot of EIGRP routes on it. You do not know the exact IP address of the server, so the ACL catches all the source addresses.

2) Route map that sets the next hop address to be ISP1 and permits the rest of the traffic:

route-map pbr permit 10
match ip address 101
set ip next-hop 10.1.101.1
route-map pbr permit 20

3) Apply the route-map on the interface to the server:

int fa0/0
ip policy route-map pbr

When you send traffic from the server the route map should match, you may check with:

show route-map

configure route summarization only to the distant office router R3 to complete the task

exhibit LAB 4
By increasing the first distant office, JS manufactures has extended their business. They configured the remote office router (R3) from which they can reach all Corporate subnets. In order to raise network stableness and lower the memory usage and broadband utilization to R3, JS manufactures makes use of route summarization together with the EIGRP Stub Routing feature. Another network engineer is responsible for the implementing of this solution. However, in the process of configuring EIGRP stub routing connectivity with the remote network devices off of R3 has been missing.

Presently JS has configured EIGRP on all routers in the network R2, R3, and R4. Your duty is to find and solve the connectivity failure problem with the remote office router R3. You should then configure route summarization only to the distant office router R3 to complete the task after the problem has been solved.
The success of pings from R4 to the R3 LAN interface proves that the fault has been corrected and the R3 IP routing table only contains two 10.0.0.0 subnets.

identifying the cause of this fault and implementing the needed corrective actions

Acme is a small export company that has an existing enterprise network that is running IPv6 OSPFv3. Currently OSPF is configured on all routers. However, R4’s loopback address (FEC0:4:4) cannot be seen in R1’s IPv6 routing table. You are tasked with identifying the cause of this fault and implementing the needed corrective actions that uses OSPF features and does no change the current area assignments. You will know that you have corrected the fault when R4’s loopback address (FEC0:4:4) can ping from R1 to R4 loopback address.

Your task is to configure the following…

OSPF is configured on routers Amani and Lynaic. Amani’s S0/0 interface and Lynaic’s S0/1 interface are in Area 0. Lynaic’s Loopback0 interface is in Area 2.

Your task is to configure the following:
Portland’s S0/0 interface in Area 1
Amani’s S0/1 interface in Area 1
Use the appropriate mask such that ONLY Portland’s S0/0 and Amnani’s S0/1 could be in Area 1.
Area 1 should not receive any external or inter-area routes (except the default route).


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